CN101964464B - Card edge connector and assembling method thereof - Google Patents

Abstract

The invention discloses a card edge connector, which is used for fixing and electrically connecting an electronic card to a circuit board. The card positioning device on both sides of the insulating housing is described. The card positioning device is hollow and the surface of the positioning block is protruded. The two sides of the positioning block are provided with long grooves, so that the card positioning device is generated in the hollow due to force. The elastic deformation of the part is used to engage or remove the electronic card plugged into the insulating housing in a direction parallel to the circuit board. The card edge connector of the present invention also provides a plurality of conductive terminal groups, which are respectively plugged into the insulating housing and the bottom surface of the insulating housing in a staggered and orthogonal direction. At the same time, the card edge connectors of the present invention can be stacked and assembled together. The invention also provides an assembly method of the card edge connector.

Description

Card edge connector and assembly method thereof

technical field

The invention relates to a card edge connector and an assembly method of the card edge connector, in particular to a stackable card edge connector suitable for sinking boards.

Background technique

Different card edge connectors are provided on the main circuit board of electronic equipment to provide plug-in connections for various modular electronic cards, so that the electrical contacts on the front edge of each electronic device can electrically contact each corresponding card edge connection conduction of the device. Each electronic card needs to be securely held in each corresponding card edge connector in order to ensure stable contact between the electrical contacts and the conductive terminals. Therefore, in addition to the joint with the conductive terminals, the card edge connector further includes a locking device for holding the electronic card.

As the functions of electronic devices continue to expand, it is imperative to install two electronic cards. In response to the functional requirements of consumers for electronic devices, electronic devices must be continuously expanded to meet the increase in functions. , so because of this requirement, it is necessary to develop a double-stacked card edge connector to install two electronic cards in a stackable manner.

Taiwan Publication No. 555197 patent discloses a stacked card edge connector, which can be used to accommodate two memory modules, including an upper connector and a lower connector. storage slot of a memory module, and the two memory modules are inserted into the storage slots of the upper connector and the lower connector in an oblique manner, therefore, when the user inserts the memory module into the storage slot, it needs to be tilted Align the storage slot at an angle, so that it is necessary to reserve a space for this operation. Therefore, how to make the double-stacked card edge connector more effective in the design of the space and make the user's operation more convenient , which is an urgent problem that the industry needs to solve.

Contents of the invention

The purpose of the present invention is to provide a card edge connector and its assembly method, by improving the stackable arrangement of the card positioning device and the connector to fix and/or position and electrically connect at least one electronic card, thereby saving space for installation.

The object of the present invention is to provide a card edge connector and its assembly method, which uses two sets of conductive terminals of different sizes to be combined with the card edge connector housing to effectively save the height of the connector.

According to one aspect of the present invention, there is provided a card edge connector for fixing and electrically connecting an electronic card to a circuit board, comprising: an insulating housing, the insulating housing is provided with a longitudinal portion, and the longitudinal The two sides of the long part extend respectively and are perpendicular to the arm part of the longitudinal part, and the surface of the arm part is provided with a positioning part; and a pair of card positioning devices, and the pair of card positioning devices can be partially pivoted The way is relatively placed in the arm portion on both sides of the longitudinal portion of the insulating housing, and the surface of the pair of locking positioning devices is at the position corresponding to the positioning portion of the arm portion Positioning blocks are protruding from the position, and long grooves are respectively provided on both sides of the positioning blocks, and the pair of card positioning devices are hollow to form elastic arms on the surface of the card positioning devices. When the card positioning device is placed in the arm portion, since the positioning block is pressed by the arm portion, elastic deformation toward the inside of the arm portion occurs until the positioning block is snapped into the positioning portion so that the pair of card positioning devices engages or removes the electronic card plugged into the longitudinal portion of the insulating housing.

The above-mentioned card edge connector further includes a plurality of conductive terminal groups and spacers, and the plurality of conductive terminals are respectively arranged in a staggered manner in the longitudinal portion of the insulating housing and on the bottom surface of the longitudinal portion, and has An exposed end portion perpendicular to the insertion direction of the electronic card and arranged along the longitudinal portion of the insulating housing, the exposed end portion being fixed by the spacer.

In the above-mentioned card edge connector, a first through hole and a second through hole are provided on one side of the arm part, and a lock part is provided on a side opposite to the first through hole and the second through hole, and the The lock part is used to lock the connector on the circuit board, and the front ends of the pair of card positioning devices are respectively provided with buckle parts, and the rear ends are respectively provided with card ejection parts, and the buckle parts pass through through the first through hole, and the card ejecting part is placed in the second through hole, and the convex part is buckled with the buckle part of the arm part, so that the pair of card positioning devices can pivot Rotationally positioned within the arm.

According to another aspect of the present invention, there is provided a card edge connector for fixing and electrically connecting an electronic card to a circuit board, comprising: an insulating housing, a plurality of conductive terminal groups and a spacer, the insulating housing is set There are a lengthwise part and an arm part, and a plurality of terminal slots are arranged in the lengthwise part and its bottom surface, and the arm parts respectively extend from both sides of the lengthwise part and are perpendicular to the lengthwise part; The two conductive terminal groups are vertically plugged into the longitudinal portion of the insulating housing and horizontally arranged on the bottom surface of the longitudinal portion, and the conductive terminal groups have a connection with the insulating housing. The exposed end portions spaced apart by the longitudinal portion; the spacer is used to fix the exposed end portions of the plurality of conductive terminal groups; and a pair of card positioning devices, the pair of card positioning devices are partially pivoted relative to each other. placed in the arm portions on both sides of the insulating housing, so as to engage or remove the electronic card plugged into the longitudinal portion of the insulating housing.

In the above-mentioned card edge connector, a positioning portion is provided on the surface of the arm portion, and the pair of card positioning devices are hollow and a positioning block is provided at a position corresponding to the protrusion of the positioning portion, and Both sides of the positioning block are provided with long grooves to form elastic arms on the surface of the pair of locking positioning devices. part, so as to generate elastic deformation towards the inside of the arm part, until the positioning block is snapped into the positioning part, so that the pair of card positioning devices are engaged or withdrawn in a position substantially parallel to the circuit board. The electronic card is plugged into the longitudinal portion of the insulating housing in the direction of .

In the above-mentioned card edge connector, the pair of card positioning devices is provided with at least one hole asymmetrically on two sides of the positioning block and the pair of elongated grooves.

According to still another aspect of the present invention, there is provided a card edge connector for fixing and electrically connecting at least one electronic card to a circuit board, comprising: a connector group, the connector group having first insulating shells stacked body and a second insulating shell, as well as a first spacer, a second spacer and a plurality of conductive terminal groups, the first insulating shell and the second insulating shell are provided with a longitudinal portion and an arm, the A plurality of terminal slots are provided in the lengthwise portion and its bottom surface, and the arms extend respectively from both sides of the lengthwise portion and are perpendicular to the lengthwise portion, and a positioning portion is provided on the surface of the arm; and The plurality of conductive terminal groups are vertically inserted in the longitudinal portions of the first insulating housing and the second insulating housing and arranged horizontally on the bottom surface of the longitudinal portions in a staggered manner, and The conductive terminal group has exposed end portions perpendicular to the insertion direction of the electronic card and spaced apart along the lengthwise portions of the first insulating shell and the second insulating shell; The first spacer is used to fix the exposed ends of the plurality of conductive terminal groups arranged in parallel with respect to the longitudinal portion of the first insulating shell, and cooperate with the second insulating shell, and The second spacer is used to fix the exposed ends of the plurality of terminal groups arranged in parallel with respect to the longitudinal portions of the first insulating housing and the second insulating housing; and two pairs of card positioning devices , the two pairs of card positioning devices are respectively placed in the arms on both sides of the first insulating shell and the second insulating shell in a partially pivoted manner, and each pair of card positioning devices is hollow The positioning part of the surface corresponding to the arm protrudes to set the positioning block, and the two sides of the positioning block are respectively provided with long grooves to form elastic arms on the surface of each pair of card positioning devices. When the card is positioned When the device is placed in the arm, since the positioning block is pressed by the arm, elastic deformation toward the inside of the arm occurs until the positioning block is snapped into the positioning portion, so that The card-aligning positioning device engages or removes the electronic card plugged into the longitudinal portion of any one of the insulating housings in a direction substantially parallel to the circuit board.

In the above-mentioned card edge connector, the arm portion of the first insulating housing is provided with two upper locking portions on the surface, and the arm portion of the second insulating housing is provided with two lower locking portions on the surface. The two upper locking parts and the lower locking parts are used for locking the first insulating shell and the second insulating shell arranged in stack through a locking assembly.

In the above card edge connector, the first insulating shell and the second insulating shell are stacked to form a stepped shape.

In the above card edge connector, the circuit board electrically connected by the stacked first insulating shell and the second insulating shell is a sinker board.

In the above-mentioned card edge connector, one side of the arm of the first insulating case and the arm of the second insulating case is provided with a locking part, and the locking part is used for locking the stacked first An insulating shell and the connector group of the second insulating shell are locked on the circuit board.

In the above-mentioned card edge connector, the conductive terminal group includes a first conductive terminal group with a first conductive terminal and a second conductive terminal, a second conductive terminal group with a third conductive terminal and a fourth conductive terminal, and a second conductive terminal group with a first conductive terminal. The third conductive terminal group with five conductive terminals and the sixth conductive terminal, the fourth conductive terminal group with the seventh conductive terminal and the eighth conductive terminal, the first conductive terminal, the second conductive terminal, the third conductive terminal The conductive terminals and the fourth conductive terminals are alternately arranged in the longitudinal portion of the first insulating shell and in the terminal slots on the bottom surface of the longitudinal portion, and the fifth conductive terminal, the sixth The conductive terminals, the seventh conductive terminals and the eighth conductive terminals are alternately arranged in the elongated portion of the second insulating housing and in the terminal slots on the bottom surface of the elongated portion.

According to a further aspect of the present invention, there is provided an assembly method of a card edge connector, an assembly method of a card edge connector, wherein the card edge connector has an insulating housing, and the insulating housing is provided with a longitudinal The long part, the arm part and the card positioning device, a plurality of terminal slots are arranged in the long part and its bottom surface, and the arms are arranged on both sides of the long part and perpendicular to the long part, so The card positioning device is provided in the arm part in a partially pivotable manner, so as to engage or withdraw the electronic card inserted in the longitudinal part of the insulating housing, and the assembly method of the card edge connector Include the following steps:

Inserting the first conductive terminal group having the first conductive terminal and the second conductive terminal alternately along the direction perpendicular to the longitudinal portion of the insulating case into the terminals of the longitudinal portion of the insulating case horizontally In the groove, and in the longitudinal part of the insulating housing and the first conductive terminal group perpendicular to the card insertion direction of the electronic card and parallel to the longitudinal part of the insulating housing Reserve a certain gap between the exposed ends;

The second conductive terminal group with the third conductive terminal and the fourth conductive terminal is alternately arranged vertically in the terminal groove provided along the bottom surface of the longitudinal part of the insulating housing, and in the longitudinal direction of the insulating housing A certain gap is reserved between the exposed end of the second conductive terminal group perpendicular to the insertion direction of the electronic card and parallel to the longitudinal portion of the insulating housing; and

A spacer is provided to fix part of the exposed portions of the first to fourth conductive terminals and combine with the insulating case.

Description of drawings

1 is an exploded perspective view showing a card edge connector of the present invention;

2A is an enlarged view showing the card positioning device of the card edge connector of the present invention;

2B is an enlarged view showing another viewing angle of the card positioning device of the card edge connector of the present invention;

Fig. 3 A is a sectional view showing a cut along line A-A of Fig. 2A;

Fig. 3B is a sectional view showing a section taken along line B-B of Fig. 2B;

4A is an exploded perspective view showing another embodiment of the card edge connector of the present invention;

4B is a combined perspective view showing another embodiment of the card edge connector of the present invention;

5A and 5B are enlarged perspective views showing the first card positioning device of the card edge connector of the present invention;

6A and 6B are schematic diagrams showing that the first electronic card and the second electronic card are inserted into the card edge connector of the present invention;

7 is a perspective view showing that the first electronic card is withdrawn from the card edge connector of the present invention;

8A-18B are flow charts showing the assembly of the card edge connector of the present invention; and

19A, 19B and 19C are schematic diagrams showing the connection between the card edge connector and the circuit board of the present invention.

[Description of main component symbols]

100---Card edge connector

1---the first electronic card

2---Second electronic card

3---circuit board

4---The concave hole of the first electronic card

5---The concave hole of the second electronic card

10---Insulation housing, the first insulation housing

11---Longitudinal part, the first longitudinal part

12---slot, the first slot

13---Slot hole

14---arm, first arm

15---The first perforation

16---Second perforation

17---lock part, lock part

18---Positioning Department

18'---button

19, 19'---two upper locking parts

20---Second insulating casing

21---Second longitudinal part

22---Second slot

23---Slot hole

24---second arm

25---Third perforation

26---the fourth perforation

27---Lower lock

28---Positioning Department

28'---button

29, 29'---two lower locking parts

30---The first spacer

31---Slot hole

32---terminal slot

40---Second spacer

41---Slot hole

42---terminal slot

51---The first conductive terminal group

52---Second conductive terminal group

53---The third conductive terminal group

54---the fourth conductive terminal group

60---The first card positioning device

61---The first buckle part

62---The first refund department

63---Positioning block

64---convex part

65---long groove

66---hole

70---Second card positioning device

71---Second buckle part

72---Second Card Refund Department

73---Positioning block

74---convex part

80---The first accommodation space

81---Terminal groove on the bottom surface of the first longitudinal part

90---Second storage space

91---Terminal groove on the bottom surface of the second longitudinal part

92---casing

93---Screw

Detailed ways

Referring to FIG. 1 , FIG. 1 is an exploded perspective view showing the card edge connector of the present invention. The card edge connector 100 of the present invention is used to fix and electrically connect an electronic card to a circuit board (not shown in the figure), and the card edge connector includes: a ㄇ-shaped insulating housing 10, and the insulating housing 10 is provided with a longitudinal The long part 11, and the arm part 14 extending from both sides of the long part 11 and perpendicular to the long part 11, and the surface of the arm part 14 is provided with a positioning part 18; a plurality of conductive terminal groups, which They are respectively staggeredly arranged in the lengthwise portion 11 of the insulating case 10 and its bottom surface (refer to FIG. 11A ), and have a direction perpendicular to the insertion direction of the electronic card and arranged along the lengthwise portion 11 of the insulating case 10 . The exposed end portion (refer to FIG. 11B ); the spacer 30, which is used to fix the exposed end portion of the plurality of conductive terminal groups; and a pair of card positioning devices 60, which are relatively placed on the described The arm portions 14 on both sides of the insulating housing 10 are used to fix and/or position the electronic card (not shown).

The front end of the elongated portion 11 is provided with a slot 12, and corresponding to the slot 12, a plurality of slots 13 are provided at the rear end of the elongated portion 11 (refer to FIG. 10A ), and the slot 12 is provided with A plurality of terminal grooves, and a plurality of terminal grooves 81 (see FIG. 11A ) are also provided on the bottom surface of the elongated portion 11; and one side of the arm portion 14 is provided with a first through hole 15 and a second through hole 16 ( Referring to FIG. 8A), a lock portion 17 is provided on one side of the first through hole 15 and the second through hole 16, and the lock portion 17 is used to lock the connector to the circuit board; The front end of the card positioning device 60 is respectively provided with buckle parts 61, and the rear end is respectively provided with a card ejection part 62, and the buckle part 61 passes through the first through hole 15, and the card ejection part 62 is placed in the first hole 15. In the two through holes 16, a protrusion 64 is provided corresponding to the buckle 18' of the arm 14, and the protrusion 64 is buckled with the buckle 18' of the arm 14, so that the pair of locking positioning devices 60 can pivot Positioned within the arm 14.

The spacer 30 is elongated and provided with a plurality of slots 31, and a plurality of stepped terminal grooves 32 are extended from the front side of the spacer 30, and the plurality of conductive terminal groups include A first conductive terminal group 51 with a first conductive terminal and a second conductive terminal and a second conductive terminal group 52 with a third conductive terminal and a fourth conductive terminal, and the first conductive terminal group 51 and the second conductive terminal group 52 is provided with a plurality of terminals, the plurality of terminals are respectively placed in the slot 12 and the plurality of terminal slots 81 on the bottom surface of the insulating housing 10 and arranged in a staggered manner, so as to save the height of the insulating housing 10 of the connector group .

Continue referring to FIG. 1 together with FIG. 2A and FIG. 2B , wherein FIG. 2A and FIG. 2B are enlarged views showing different viewing angles of the card positioning device of the card edge connector of the present invention. In this embodiment, only one card positioning device is used for illustration, and the structure of the other card positioning device is the same, and will not be further illustrated. The card pair positioning device 60 is partially pivotally disposed in the arm portion 14 of the insulating housing 10 , and the card pair positioning device 60 is provided with a buckle portion 61 corresponding to the first through hole 15 of the arm portion 14 , The second perforation 16 corresponding to the arm portion 14 is provided with a card ejection portion 62, and the positioning portion 18 corresponding to the arm portion 14 is provided with a positioning block 63 on the surface, and a long length is provided on both sides of the positioning block 63. slot 65, and at least one hole 66 is asymmetrically opened with respect to both sides of the positioning block 63 and the surface on which the pair of long slots 65 are provided, so as to form an elastic arm that is hollow and deformable under force.

Referring to FIGS. 3A and 3B , wherein FIGS. 3A and 3B show a cross-sectional view taken along line A-A of FIG. 2A and a cross-sectional view taken along line B-B of FIG. 2B . It can be seen from Fig. 3A and Fig. 3B that the card positioning device 60 is hollow, so that when the card positioning device 60 is placed in the arm 14, the positioning block 63 is pressed by the arm 14, thereby producing Elastic deformation toward the inside of the arm portion 14 until the positioning block 63 is snapped into the positioning portion 18 .

When the aligning positioning device 60 is placed on the arm 14, the protrusion 64 is engaged with the buckle 18' of the arm 14, and the positioning block 63 is pressed by the arm 14, thereby producing a direction The elastic deformation in the arm portion 14 is until the positioning block 63 is fastened to the positioning portion 18, and then the positioning block 63 is fixed in the positioning portion 18 by the restoring force of the elastic arm. At this time, the locking portion 61 Pass through the first through hole 15 of the arm portion 14, and the card ejection portion 62 is placed in the second through hole 16, so that the pair of card positioning devices 60 can be engaged or withdrawn and plugged into the insulating housing The electronic card in the longitudinal portion 11 of 10.

Referring to FIG. 4A , wherein FIG. 4A is an exploded perspective view showing another embodiment of the card edge connector of the present invention. The card edge connector 100 of the present invention is used to fix and electrically connect the first electronic card 1 and the second electronic card 2 to the circuit board 3 (refer to FIGS. 6A and 6B), and the card edge connector includes: a connector group , which has a stacked first insulating shell 10 and a second insulating shell 20, and the connector set also has a first spacer 30, a second spacer 40 and a plurality of conductive terminal groups; a pair of first card Positioning device 60, which is respectively arranged on both sides of the first insulating housing 10, for fixing and/or positioning the first electronic card 1 (refer to Fig. 6A and Fig. 6B); and a pair of second card positioning devices 70, which are respectively provided on both sides of the second insulating housing 20, for fixing and/or positioning the second electronic card 2 (refer to FIG. 6A and FIG. 6B).

Continuing to refer to FIG. 4A in combination with FIG. 4B , FIG. 4B is an assembled perspective view showing another embodiment of the edge connector of the card of the present invention. The first insulating housing 10 includes a first elongated portion 11, and the front end of the first elongated portion 11 is provided with a first slot 12, and corresponding to the first slot 12 in the first elongated portion 11 The rear end of the rear end is provided with a plurality of slotted holes 13 (refer to FIG. 10A ), and the first arm portion 14 extends from both sides of the first longitudinal portion 11 respectively, and the first arm portion 14 is perpendicular to the first longitudinal portion 11 , and one side of the first arm portion 14 is provided with a first through hole 15 and a second through hole 16 (refer to FIG. 8A ), while the locking portion 17 extends on the other side, and is on the surface of the first arm portion 14 and The bottom surface is respectively provided with a positioning part 18, a buckle part 18' and two upper locking parts 19, 19', and a first accommodating space 80 is provided at the front end of the first insulating shell 10 for inserting the first electronic card. 1 (refer to FIG. 6A and FIG. 6B ); and the first slot 12 is provided with a plurality of terminal slots for accommodating the terminals of the plurality of conductive terminal groups for insertion of the first electronic card 1 .

The second insulating housing 20 includes a second elongated portion, and the front end of the second elongated portion 21 is also provided with a second slot 22, and corresponding to the second slot 22 in the second elongated portion 21 The rear end is provided with a plurality of slotted holes 23 (refer to FIG. 13A ), and the second arm portion 24 extends from both sides of the second longitudinal portion 21 respectively, and the second arm portion 24 is perpendicular to the second longitudinal portion 21 , and one side of the second arm portion 24 is provided with a third through hole 25 and a fourth through hole 26 , while the lower lock portion 27 extends on the other side, and positioning holes are respectively provided on the surface and the bottom surface of the second arm portion 24 . part 28, buckle part 28' and two lower locking parts 29, 29', and a second accommodating space 90 is provided at the front end of the second insulating shell 20 for inserting the second electronic card 2; and the The second slot 22 is provided with a plurality of terminal slots for accommodating the terminals of the plurality of conductive terminal groups for insertion of the second electronic card 2 .

The first slot 12 is provided with a plurality of terminal slots, and a plurality of terminal slots 81 are also provided on the bottom surface of the first longitudinal portion 11 (refer to FIG. 11A ), and the second slot 22 is also provided with A plurality of terminal grooves, and a plurality of terminal grooves 91 (refer to FIG. 14A ) are also provided on the bottom surface of the second elongated portion 21, and the first spacer 30 is elongated and provided with a plurality of slot holes 31, and a plurality of stepped terminal grooves 32 are extended from the front side of the first spacer, while the second spacer 40 is roughly T-shaped and also provided with a plurality of slot holes 41, and the first spacer The front side of the second spacer 40 is extended with a plurality of stepped terminal grooves 42, and the plurality of conductive terminal groups are provided with a plurality of terminals, and the plurality of terminals are respectively placed in the first slot 12, the second slot 12 The two slots 22, the first insulating housing 10, the second insulating housing 20, the first spacer 30 and the second spacer 40 are arranged in a staggered manner in a plurality of terminal slots, so as to save the first terminal of the connector group. The overlapping space of the insulating case 10 and the second insulating case 20 .

The plurality of conductive terminal groups include a first conductive terminal group 51 having a first conductive terminal and a second conductive terminal, a second conductive terminal group 52 having a third conductive terminal and a fourth conductive terminal, a fifth conductive terminal group and a The third conductive terminal group 53 of the sixth conductive terminal and the fourth conductive terminal group 54 having the seventh conductive terminal and the eighth conductive terminal (see FIGS. 10A-14B ), and the first conductive terminal and the second conductive terminal are in the form of Arranged in a staggered arrangement in a plurality of terminal slots of the first slot 12, and the first conductive terminal and the second conductive terminal have a direction perpendicular to the insertion direction of the first electronic card 1 and along the first length The exposed ends of the first longitudinal portion 11 are spaced apart, and the third conductive terminal and the fourth conductive terminal are arranged in a staggered arrangement in the plurality of terminal grooves 81 on the bottom surface of the first elongated portion, and the third conductive terminal and the fourth conductive terminal are arranged in a staggered manner. The four conductive terminals have exposed ends perpendicular to the insertion direction of the first electronic card 1 and spaced along the first elongated portion 11, while the fifth conductive terminals and sixth conductive terminals are arranged in a staggered arrangement on the first electronic card 1. In the plurality of terminal slots of the second slot 22, the fifth conductive terminal and the sixth conductive terminal have exposed ends perpendicular to the insertion direction of the second electronic card 2 and spaced along the second elongated portion 21. part, and the seventh conductive terminal and the eighth conductive terminal are arranged in a staggered arrangement in the plurality of terminal grooves 91 on the bottom surface of the second elongated part 21, and the seventh conductive terminal and the eighth conductive terminal have the same structure as the first conductive terminal. The insertion direction of the two electronic cards 2 is perpendicular to the exposed end portions of the second elongated portion 21 at intervals.

Referring to FIG. 5A and FIG. 5B , FIG. 5A and FIG. 5B are enlarged perspective views showing the first card positioning device of the card edge connector of the present invention. In this embodiment, only a pair of first card positioning devices 60 are used for illustration, and the structure of the second card positioning device 70 is the same as that of the first card positioning device 60 , so no further illustration is given. The pair of first card positioning devices 60 are partially pivotally disposed in the first arm 14 of the first insulating housing 10 , and the pair of first card positioning devices 60 correspond to the first arm 14 of the first arm 14 . A through hole 15 is provided with a first buckle portion 61, and the second through hole 16 corresponding to the first arm portion 14 is provided with a first clip-removing portion 62, and the positioning portion 18 corresponding to the first arm portion 14 is provided on the surface. There is a positioning block 63, and long grooves 65 are provided on both sides of the positioning block 63. The pair of first card positioning devices 60 are hollow (see FIGS. 3A and 3B ), and on the first card positioning device 60 At least one hole 66 is asymmetrically opened on both sides of the surface relative to the positioning block 63 and the pair of long grooves 65 to form an elastic arm, and the buckle 18' corresponding to the first arm 14 is provided with a protrusion. part 64, when the first card positioning device 60 is placed on the first arm part 14, the convex part 64 is buckled with the buckle part 18' of the first arm part 14, and the positioning block 63 is received by the first arm part 14. The extrusion of the arm portion 14 produces elastic deformation towards the inside of the first arm portion 14, and through the restoring force of the elastic arm, until the positioning block 63 is engaged with the positioning portion 18, at this time the first buckling portion 61 Pass through the first through hole 15 of the first arm part 14, and the first card ejecting part 62 passes through the second through hole 16 of the first arm part 14 and is placed in the second through hole 16, so that the The first electronic card 1 plugged into the first longitudinal portion 11 of the first insulating housing 10 in a direction substantially parallel to the circuit board 3 is engaged or removed from the first card positioning device 60 .

The pair of second locking positioning devices 70 are partially pivotably disposed in the second arm portion 24 of the second insulating housing 20 , and the pair of second locking positioning devices 70 correspond to the second arm portion 24 of the second arm portion 24 . The third through-hole 25 is provided with a second buckle portion 71, and the fourth through-hole 26 corresponding to the second arm portion 24 is provided with a second clip-removing portion 72, and the positioning portion 28 corresponding to the second arm portion 24 is on the surface. A positioning block 73 is provided, and long grooves 65 are respectively provided on both sides of the positioning block 73. The pair of second card positioning devices 70 are hollow (refer to FIGS. 3A and 3B ), and on the second card positioning device 70 is provided with at least one hole 66 asymmetrically on both sides of the surface relative to the positioning block 73 and the pair of long grooves 65, so as to form an elastic arm, and the buckle 28' corresponding to the second arm 24 is provided with The convex part 74, when the second locking device 70 is placed on the second arm part 24, the convex part 74 is buckled with the buckle part 28' of the second arm part 24, and the positioning block 73 is received by the second arm part 24. The extrusion of the two arm parts 24 produces elastic deformation toward the inside of the second arm part 24, and through the restoring force of the elastic arm, until the positioning block 73 is fastened to the positioning part 28, at this time the second buckle part 71 passes through the third through hole 25 of the second arm part 24, and the second card ejection part 72 passes through the fourth through hole 26 of the second arm part 24 and is placed in the fourth through hole 26, so that the The second electronic card 2 inserted into the second longitudinal portion 21 of the second insulating housing 20 in a direction substantially parallel to the circuit board 3 is engaged or removed from the second card positioning device 70 .

In this embodiment, the positioning parts 18, 28 of the first arm part 14 and the second arm part 24 are square holes, while the buckle parts 18', 28' are small round holes, and are correspondingly fastened to the The positioning blocks 63, 73 of the square holes of the positioning parts 18, 28 are trapezoidal convex parts, and the convex parts 64, 74 of the small round holes corresponding to the buckle parts 18', 28' are semicircular. convex part; in addition, the two upper locking parts 19 and the two lower locking parts 29 of the first arm part 14 and the second arm part 24 are used to lock the stacked first insulating casing through the locking assembly 10 and the second insulating housing 20, in this embodiment, the locking and fixing component is a sleeve 92 and a screw 93, the sleeve 92 is hollow and contains threads to lock with the screw 93; The upper locking portion 17 and the lower locking portion 27 are used to lock the card edge connector 100 of the present invention on the aforementioned circuit board 3 (refer to FIGS. 19A and 19B ).

Referring to FIG. 6A and FIG. 6B , FIG. 6A and FIG. 6B are schematic views showing that the card edge connector of the present invention is inserted into the first electronic card and the second electronic card. The two sides of the first electronic card 1 and the second electronic card 2 are respectively provided with recessed holes 4, 5. When the first electronic card 1 is to be plugged into the first slot 12 of the connector group, its Place the first electronic card 1 horizontally in the first accommodating space 80, align with the position of the first slot 12, and push the first electronic card 1 horizontally toward the first slot 12 To the positioning, at this time, the first electronic card 1 is fastened through the concave hole 4 to pass through the first through hole 15 and placed on the first buckle part 61 of the first arm part 14, so that the first electronic card 1 Inserted in a direction substantially parallel to the circuit board and fixed on the first slot 12 of the first insulating housing 10, similarly, the second electronic card 2 is also horizontally inserted in the same principle as above. In the second slot 22, details will not be repeated here.

Referring to FIG. 7 again, FIG. 7 is a perspective view showing that the first electronic card withdraws from the card edge connector of the present invention. In this embodiment, only the first electronic card is used for illustration. When the first electronic card 1 inserted into the first slot 12 is to be withdrawn from the card edge connector 100 of the present invention, the pair of first card positioning devices 60 is moved to make the first buckle part 61 moves toward the outside of the first accommodating space 80 , while the first card ejecting portion 62 moves toward the inside of the first accommodating space 80 to abut against the first electronic card 1 , so that the first electronic card 1 Withdraw from the first slot 12 of the connector group; in the same way, when the second electronic card 2 that is not shown in the figure wants to withdraw from the card edge connector 100 of the present invention, the pair of second card positioning devices 70 can also be moved. , so that the second locking part 71 moves toward the outside of the second accommodating space 90 , and the second card ejecting part 72 moves toward the inside of the second accommodating space 90 to abut against the second electronic card 2 , so that the second electronic card 2 exits the second slot 22 of the connector set.

Referring to FIGS. 8A-18B , FIGS. 8A-18B show the assembly flowchart of the card edge connector of the present invention and refer to FIGS. 4-7 in conjunction. First place the first card positioning device 60 in the first arm portion 14 on both sides of the first insulating housing 10 (as shown in FIG. 8A and FIG. 8B ), and then place the second card positioning device 70 In the second arm portion 24 on both sides of the second insulating housing 20 (as shown in FIGS. 9A and 9B ), there will be a first conductive terminal (longer terminal) and a second conductive terminal (shorter terminal) The first conductive terminal groups 51 are arranged in a staggered manner, and the staggered first conductive terminals and second conductive terminals are horizontally plugged into the first longitudinal portion 11 through a plurality of slot holes 13 at the rear end of the first longitudinal portion 11. In the terminal groove of the first slot 12 of the long part 11 (as shown in Figure 10A and Figure 10B), then the second terminal with the third conductive terminal (longer terminal) and the fourth conductive terminal (shorter terminal) Conductive terminal groups 52 are vertically placed in a plurality of terminal grooves 81 along the bottom surface of the first elongated portion in a staggered manner, and arranged in a staggered front and rear arrangement with the first conductive terminal and the second conductive terminal (as shown in Fig. 11A and Fig. 11A ). 11B), and then use the plurality of slots 31 of the first spacer 30 to pass through the exposed ends of the first conductive terminal group 51 and the second conductive terminal group 52 spaced apart from the first longitudinal portion 11 , and use the stepped terminal groove 32 of the first spacer 30 to cooperate with the first conductive terminal group 51 and the second conductive terminal group 52 to form a stepped exposed end assembly to fix the first conductive terminal group 51 and the second conductive terminal group 52. Parts of the terminal group 51 and the second conductive terminal group 52 are exposed to the end, so that the first spacer 30 is combined on the first insulating shell 10 (as shown in FIGS. 12A and 12B ), and the second The third conductive terminal group 53 of the fifth conductive terminal (longer terminal) and the sixth conductive terminal (shorter terminal) is arranged in a staggered manner, and through the plurality of slot holes 23 at the rear end of the second elongated portion 21, the staggered arranged The fifth conductive terminal and the sixth conductive terminal are horizontally inserted into the terminal groove of the second slot 22 of the second elongated portion 21 (as shown in FIG. 13A and FIG. 13B ), and then the seventh conductive terminal (Longer terminal) and the fourth conductive terminal group 54 of the eighth conductive terminal (shorter terminal) are vertically placed in a plurality of terminal grooves 91 along the bottom surface of the second elongated portion 21, and are connected to the fourth conductive terminal group 54 of the eighth conductive terminal (shorter terminal). The five conductive terminals and the sixth conductive terminals are arranged in a staggered front and back (as shown in Figure 14A and Figure 14B), and then the third conductive terminal group 53 and the fourth conductive terminal group 54 of the second insulating shell 20 after the combination Assembled with the combined first spacer 30 and first insulating shell 10 (as shown in Figure 15A and Figure 15B), at this time, the lengths of the first to eighth conductive terminals are different due to the different lengths of the terminals, and due to The height difference between the first insulating shell 10 and the second insulating shell 20 is such that the first conductive terminal to the eighth conductive terminal are staggered up and down, and then the multiple slots of the second spacer 40 are used. The hole 41 passes through the exposed ends of the first conductive terminal to the eighth conductive terminal spaced apart from the first longitudinal portion 11 and the second longitudinal portion 21 , and uses the second spacer 40 to form a stepped terminal slot 42 fit After being combined with the first conductive terminal group 51 to the fourth conductive terminal group 54, a stepped exposed end assembly is formed to fix the first conductive terminal to the eighth conductive terminal. Part of the exposed end, so that the first conductive terminal Two spacers 40 are combined with the first insulating shell 10, the second insulating shell 20 and the first spacer 30 (as shown in Figure 16A and Figure 16B), at this time the first insulating shell 10 and the second insulating shell 10 The two insulating shells 20 are stacked, and the sleeve 92 and the screw 93 of the locking assembly are used to pass through the two upper locking parts 19, 19' and The two lower locking parts 29, 29' cooperate and lock with each other to fix the first insulating shell 10 and the second insulating shell 20 (as shown in Figures 17A-18B), that is, to complete the card edge connection of the present invention Assembly of device 100.

Referring to FIGS. 19A-19C , FIGS. 19A-19C show schematic diagrams of the connection between the card edge connector and the circuit board of the present invention. Two sides of the circuit board 3 are provided with two perforations corresponding to the upper locking portion 17 and the lower locking portion 27 of the first insulating shell 10 and the second insulating shell 20, and because the first insulating shell 10 and the second insulating shell 20 The two insulating shells 20 are stacked to form a ladder, as shown in Figure 19C, and the circuit board 3 that electrically connects the first insulating shell 10 and the second insulating shell 20 after stacking is a sinking board, and is locked by a lock. The sleeve 92 and the screw 93 of the fixing component pass through the through hole of the circuit board 3 and then are socketed and locked, so that the card edge connector 100 of the present invention is locked on the circuit board 3 .

Claims (12)

1. A card edge connector for securing and electrically connecting an electronic card to a circuit board, comprising: an insulating housing, the insulating housing is provided with a longitudinal portion, and arms respectively extending from both sides of the longitudinal portion and perpendicular to the longitudinal portion, and positioning is provided on the surface of the arm department; A pair of card positioning devices, the pair of card positioning devices are relatively placed in the arm portions on both sides of the longitudinal portion of the insulating housing in a partially pivoted manner, and the pair of card positioning devices On the surface of the device, a positioning block is protruded at a position corresponding to the positioning portion of the arm, and long grooves are respectively provided on both sides of the positioning block, and the pair of card positioning devices are hollow , to form an elastic arm on the surface of the card positioning device, when the card positioning device is placed in the arm, since the positioning block is pressed by the arm, a Elastic deformation in the part until the positioning block is fastened to the positioning part, so that the pair of card positioning devices are engaged or removed from the electronics plugged in the longitudinal part of the insulating housing. card; and A plurality of conductive terminal groups and spacers, the plurality of conductive terminals are respectively arranged alternately in the longitudinal part of the insulating housing and on the bottom surface of the longitudinal part, and have a an exposed end portion vertically arranged along the lengthwise portion of the insulating case, the exposed end portion being fixed by the spacer, Wherein the spacer is provided with a slot for the conductive terminal to pass through, and a plurality of stepped terminal slots are extended from the front side of the spacer to cooperate with the exposed end of the conductive terminal. to secure the exposed end. 2. The card edge connector according to claim 1, wherein one side of the arm portion is provided with a first through hole and a second through hole, and a side opposite to the first through hole and the second through hole A lock part is provided, and the lock part is used to lock the connector on the circuit board, and the front ends of the pair of card positioning devices are respectively provided with buckle parts, and the rear ends are respectively provided with ejection parts. part, the buckle part passes through the first through hole, and the card ejection part is placed in the second through hole, and the pair of card positioning devices are respectively provided with a buckle part corresponding to the arm part The protruding part, and the protruding part is fastened with the buckle part of the arm part, so that the pair of locking positioning devices can be pivotally positioned in the arm part. 3. A card edge connector for securing and electrically connecting an electronic card to a circuit board, comprising: An insulating housing, a plurality of conductive terminal groups and a spacer, the insulating housing is provided with a longitudinal part and an arm part, and a plurality of terminal grooves are provided in the longitudinal part and its bottom surface, and the arm part is formed by the longitudinal part The two sides of the portion extend respectively and are perpendicular to the lengthwise portion; while the plurality of conductive terminal groups are vertically plugged into the lengthwise portion of the insulating housing in a staggered manner and arranged horizontally on the lengthwise portion. The bottom surface of the portion, and the set of conductive terminals has exposed ends spaced apart from the longitudinal portion of the insulating housing; the spacer is used to fix the exposed ends of the plurality of sets of conductive terminals; and A pair of card positioning devices, the pair of card positioning devices are relatively placed in the arms on both sides of the insulating housing in a partially pivoted manner, so as to engage or remove the said electronic card within said elongated portion, Wherein the spacer is provided with a slot for the conductive terminal to pass through, and a plurality of stepped terminal slots are extended from the front side of the spacer to cooperate with the exposed end of the conductive terminal. to secure the exposed end. 4. The card edge connector according to claim 3, wherein the surface of the arm portion is provided with a positioning portion, and the pair of card positioning devices are hollow and protrude at a position corresponding to the positioning portion A positioning block is provided, and long grooves are provided on both sides of the positioning block to form elastic arms on the surface of the pair of card positioning devices. When the card positioning device is placed in the arm, due to The positioning block is pressed by the arm, thereby producing elastic deformation toward the inside of the arm, until the positioning block is fastened to the positioning portion, so that the pair of card positioning devices are engaged or retracted. The electronic card is plugged into the longitudinal portion of the insulating casing in a direction substantially parallel to the circuit board. 5. The card edge connector according to claim 4, wherein said pair of card positioning devices is asymmetrically provided with at least one hole. 6. A card edge connector for securing and electrically connecting at least one electronic card to a circuit board, comprising: A connector set, the connector set has a stacked first insulating shell and a second insulating shell, a first spacer, a second spacer and a plurality of conductive terminal groups, the first insulating shell and the second insulating shell The second insulating housings are all provided with a longitudinal part and an arm part, and a plurality of terminal slots are arranged in the longitudinal part and its bottom surface, and the arm parts respectively extend from both sides of the longitudinal part and are connected to the longitudinal part. The part is vertical, and a positioning part is provided on the surface of the arm part; and the plurality of conductive terminal groups are vertically inserted in the first insulating shell and the second insulating shell respectively in a staggered manner. In the elongated part and horizontally arranged on the bottom surface of the elongated part, and the conductive terminal group is perpendicular to the insertion direction of the electronic card and along the first insulating shell and the second insulating shell The exposed ends of the longitudinal parts arranged at intervals; the first spacer is used to fix the plurality of conductive terminal groups arranged in parallel with respect to the longitudinal parts of the first insulating shell. The exposed end part is combined with the second insulating shell, and the second spacer is used to fix the longitudinal part parallel to the first insulating shell and the second insulating shell. said exposed ends of a plurality of terminal sets; and Two pairs of card positioning devices, the two pairs of card positioning devices are partially pivoted and relatively placed in the arms on both sides of the first insulating shell and the second insulating shell, each pair The card positioning device is hollow and the surface corresponds to the positioning part of the arm protruding to set the positioning block. The two sides of the positioning block are respectively provided with long grooves to form elastic arms on the surface of each pair of card positioning devices. When the locking positioning device is placed in the arm, since the positioning block is pressed by the arm, elastic deformation toward the inside of the arm occurs until the positioning block is snapped into the a positioning part, so that the card-to-card positioning device engages or withdraws the electronic card plugged into the longitudinal part of any one of the insulating housings in a direction substantially parallel to the circuit board, Wherein the first spacer is provided with a slot hole through which the exposed ends of the plurality of conductive terminal groups arranged in parallel with respect to the longitudinal portion of the first insulating shell pass, and is formed by the first spacer. The front side of a spacer is extended with a plurality of stepped terminal grooves to cooperate with the exposed ends of the plurality of conductive terminal groups arranged in parallel with respect to the longitudinal portion of the first insulating housing. to secure the exposed end; and The second spacer is provided with a slot through which the exposed end portions of the plurality of terminal groups arranged in parallel with respect to the longitudinal portions of the first and second insulating cases pass, and A plurality of stepped terminal grooves are extended from the front side of the second spacer so as to be parallel to the plurality of terminals arranged in parallel with the longitudinal portions of the first insulating case and the second insulating case. The exposed ends of the sets are mated to secure the exposed ends. 7. The card edge connector as claimed in claim 6, wherein the arm portion of the first insulating housing is provided with two upper locking portions on the surface, and the arm portion of the second insulating housing There are two lower locking parts on the surface, and the two upper locking parts and the lower locking parts are used to lock the stacked first insulating shell and the second insulating shell through the locking assembly. case. 8. The card edge connector according to claim 6, wherein the first insulating shell and the second insulating shell are stacked to form a stepped shape. 9. The card edge connector according to claim 6 or 8, wherein the circuit board electrically connected by the stacked first insulating shell and the second insulating shell is a sinker board. 10. The card edge connector as claimed in claim 9, wherein, one side of the arm portion of the first insulating housing and the arm portion of the second insulating housing is provided with a lock portion, and the lock portion is used for After the stacked first insulating shell and the connector group of the second insulating shell are locked on the circuit board. 11. The card edge connector as claimed in claim 6, wherein the set of conductive terminals comprises a first set of conductive terminals having a first conductive terminal and a second conductive terminal, a set of conductive terminals having a third conductive terminal and a fourth conductive terminal The second conductive terminal group, the third conductive terminal group with the fifth conductive terminal and the sixth conductive terminal, the fourth conductive terminal group with the seventh conductive terminal and the eighth conductive terminal, the first conductive terminal, the first conductive terminal The two conductive terminals, the third conductive terminals and the fourth conductive terminals are alternately arranged in the longitudinal portion of the first insulating housing and in the terminal slots on the bottom surface of the longitudinal portion, and the first The five conductive terminals, the sixth conductive terminal, the seventh conductive terminal and the eighth conductive terminal are alternately arranged in the longitudinal part of the second insulating shell and on the bottom surface of the longitudinal part. in the terminal slot. 12. A method for assembling a card edge connector, wherein the card edge connector has an insulating housing, and the insulating housing is provided with a longitudinal portion, an arm portion, and a card positioning device, and the interior of the longitudinal portion and its The bottom surface is provided with a plurality of terminal slots, and the arm is arranged on both sides of the longitudinal part and is perpendicular to the longitudinal part, and the locking positioning device is arranged on the arm in a partially pivotable manner In order to snap or withdraw the electronic card inserted in the longitudinal part of the insulating housing, the assembly method of the card edge connector includes the following steps: Inserting the first conductive terminal group having the first conductive terminal and the second conductive terminal alternately along the direction perpendicular to the longitudinal portion of the insulating case into the terminals of the longitudinal portion of the insulating case horizontally In the groove, and in the longitudinal part of the insulating housing and the first conductive terminal group perpendicular to the card insertion direction of the electronic card and parallel to the longitudinal part of the insulating housing Reserve a certain gap between the exposed ends; The second conductive terminal group with the third conductive terminal and the fourth conductive terminal is alternately arranged vertically in the terminal groove provided along the bottom surface of the longitudinal part of the insulating housing, and in the longitudinal direction of the insulating housing A certain gap is reserved between the exposed end of the second conductive terminal group perpendicular to the insertion direction of the electronic card and parallel to the longitudinal portion of the insulating housing; and providing a spacer to fix part of the exposed portions of the first to fourth conductive terminals, combined with the insulating case, Wherein, the spacer includes a first spacer and a second spacer; The first spacer is provided with a slot hole through which the exposed end of the first conductive terminal group passes, and a plurality of stepped terminal slots are extended from the front side of the first spacer to communicate with the first The exposed ends of the conductive terminal sets are mated together so as to fix the exposed ends; and The second spacer is provided with a slot through which the exposed end portions of the plurality of terminal groups arranged in parallel with respect to the longitudinal portion of the insulating case pass, and is formed by the second spacer. A plurality of stepped terminal grooves are extended on the front side to cooperate with the exposed ends of the first conductive terminal group and the exposed ends of the second conductive terminal group, so as to fix the exposed ends.

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